Home / 1,313,961.75-1,813,269.65-710,349.75

Finding the Fourth Proportional to 1,313,961.75, 1,813,269.65 and 710,349.75

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Solution

The fourth proportional to 1,313,961.75, 1,813,269.65 and 710,349.75 is: 980,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,961.75 : 1,813,269.65 = 710,349.75 : x
  2. Step 2: Convert to fraction form
    1,313,961.75/1,813,269.65 = 710,349.75/x
  3. Step 3: Cross multiply
    1,313,961.75x = 1,813,269.65 × 710,349.75
  4. Step 4: Simplify right side
    1,313,961.75x = 1,288,055,639,008.34
  5. Step 5: Solve for x
    x = 1,288,055,639,008.34/1,313,961.75
  6. Step 6: Final answer
    x = 980,283.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.